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Finding the Fourth Proportional to 267,438.80, 369,017.16 and 171,923.60

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Solution

The fourth proportional to 267,438.80, 369,017.16 and 171,923.60 is: 237,223.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,438.80 : 369,017.16 = 171,923.60 : x
  2. Step 2: Convert to fraction form
    267,438.80/369,017.16 = 171,923.60/x
  3. Step 3: Cross multiply
    267,438.80x = 369,017.16 × 171,923.60
  4. Step 4: Simplify right side
    267,438.80x = 63,442,758,608.98
  5. Step 5: Solve for x
    x = 63,442,758,608.98/267,438.80
  6. Step 6: Final answer
    x = 237,223.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.